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Finding the Fourth Proportional to 6,357.74, 8,772.84 and 3,524.76

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Solution

The fourth proportional to 6,357.74, 8,772.84 and 3,524.76 is: 4,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.74 : 8,772.84 = 3,524.76 : x
  2. Step 2: Convert to fraction form
    6,357.74/8,772.84 = 3,524.76/x
  3. Step 3: Cross multiply
    6,357.74x = 8,772.84 × 3,524.76
  4. Step 4: Simplify right side
    6,357.74x = 30,922,155.52
  5. Step 5: Solve for x
    x = 30,922,155.52/6,357.74
  6. Step 6: Final answer
    x = 4,863.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.